| **Accumulated Other Comprehensive Income (Loss) and Supplemental Equity Information - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions** | 3 Months Ended | 9 Months Ended |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **AOCI Attributable to Parent, Net of Tax [Roll Forward]**                                                                                                                          |           |           |   |   |
| Beginning Balance                                                                                                                                                                   |           |           | $ 4,042 | $ 4,244 |
| Other comprehensive income (loss), net of tax                                                                                                                                       | $ 2            | $ (44)         | 0 | (132) |
| Ending Balance                                                                                                                                                                      | 4,486          | 3,997          | 4,486 | 3,997 |
| Accumulated Other Comprehensive Income (Loss)                                                                                                                                       |           |           |   |   |
| **AOCI Attributable to Parent, Net of Tax [Roll Forward]**                                                                                                                          |           |           |   |   |
| Beginning Balance                                                                                                                                                                   | (347)          | (261)          | (345) | (173) |
| Other comprehensive income (loss) before reclassifications                                                                                                                          | (2)            | (33)           | 0 | (113) |
| Amounts reclassified to net earnings from accumulated other comprehensive income                                                                                                    | 4              | (11)           | 0 | (19) |
| Other comprehensive income (loss), net of tax                                                                                                                                       | 2              | (44)           | 0 | (132) |
| Ending Balance                                                                                                                                                                      | (345)          | (305)          | (345) | (305) |
| Unrealized gain (loss) on available-for-sale securities                                                                                                                             |           |           |   |   |
| **AOCI Attributable to Parent, Net of Tax [Roll Forward]**                                                                                                                          |           |           |   |   |
| Beginning Balance                                                                                                                                                                   | 4              | 12             | 3 | 15 |
| Other comprehensive income (loss) before reclassifications                                                                                                                          | (1)            | (1)            | 0 | 0 |
| Amounts reclassified to net earnings from accumulated other comprehensive income                                                                                                    | 0              | (7)            | 0 | (11) |
| Other comprehensive income (loss), net of tax                                                                                                                                       | (1)            | (8)            | 0 | (11) |
| Ending Balance                                                                                                                                                                      | 3              | 4              | 3 | 4 |
| Unrealized gain (loss) on derivative instruments                                                                                                                                    |           |           |   |   |
| **AOCI Attributable to Parent, Net of Tax [Roll Forward]**                                                                                                                          |           |           |   |   |
| Beginning Balance                                                                                                                                                                   | (23)           | 15             | 11 | 3 |
| Other comprehensive income (loss) before reclassifications                                                                                                                          | (4)            | (7)            | (34) | 9 |
| Amounts reclassified to net earnings from accumulated other comprehensive income                                                                                                    | 4              | (4)            | 0 | (8) |
| Other comprehensive income (loss), net of tax                                                                                                                                       | 0              | (11)           | (34) | 1 |
| Ending Balance                                                                                                                                                                      | (23)           | 4              | (23) | 4 |
| Foreign currency translation adjustment                                                                                                                                             |           |           |   |   |
| **AOCI Attributable to Parent, Net of Tax [Roll Forward]**                                                                                                                          |           |           |   |   |
| Beginning Balance                                                                                                                                                                   | (328)          | (288)          | (359) | (191) |
| Other comprehensive income (loss) before reclassifications                                                                                                                          | 3              | (25)           | 34 | (122) |
| Amounts reclassified to net earnings from accumulated other comprehensive income                                                                                                    | 0              | 0              | 0 | 0 |
| Other comprehensive income (loss), net of tax                                                                                                                                       | 3              | (25)           | 34 | (122) |
| Ending Balance                                                                                                                                                                      | $ (325)        | $ (313)        | $ (325) | $ (313) |

| X                                                                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax, before reclassification adjustments of other comprehensive income (loss).
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax and reclassification adjustments of other comprehensive income (loss).
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax of reclassification adjustments of other comprehensive income (loss).
+ References
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| - Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
+ References
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